As a little update I want to share the following numbers. Maybe they are
useful for somebody, who wants to configure his next cluster. :-)
Davids suggestion with the -shuffle hit exactly the crucial point. Thanks.
cores ns/day (speedup)
- -shuffle-shuffle -sort
01
Jens Krueger wrote:
Hello,
there have been multiple reports on the list of superlinear scaling on
AMD Opterons of the 200 series.
We have recently purchased a small cluster with the following
configuration for each compute node:
- 2x Opteron 2218 (4 cores per node)
- 2 GB RAM
-
Hello,
there have been multiple reports on the list of superlinear scaling on
AMD Opterons of the 200 series.
We have recently purchased a small cluster with the following
configuration for each compute node:
- 2x Opteron 2218 (4 cores per node)
- 2 GB RAM
- Supermicro H8DM8 mainboard
- Mellanox
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